Please note: the size table is the length of the insole, not the length of the foot. Please choose the size by comparing the length of your insole. Thank you! For example, the following picture shows the effective length of a 41-yard insole is 26 cm. the following picture shows the effective length of a 38-yard insole is 24 cm. The size of the above shoes is a little small. For examplt the following figure shows the length of 38 yards insole, and its effective length is 23.5 cm: the following figure shows the length of 39 yards insole, and its effective length is 24 cm: the following figure shows the length of 40 yards insole, and its effective length is 24.5 cm: the following figure shows the length of 41 yards insole, and its effective length is 25.5 cm: the following figure shows the length of 42 yards insole, and its effective length is 26 cm: the following figure shows the length of 43 yards insole, and its effective length is 27 cm: the following figure shows the length of 44 yards insole, and its effective length is 27.5 cm: